Renault Clio: Brake servo non-return valve: Removal - Refitting
LEFT-HAND DRIVE
REMOVAL
I - REMOVAL PREPARATION OPERATION
K4J or K4M or K9K
II - OPERATION FOR REMOVAL OF PART
CONCERNED

- Disconnect the non-return valve (1) at the servo.
- Pull and turn the non-return valve to release it from
the rubber sealing washer.
K9K

- Disconnect the non-return valve (2) at the vacuum
pump.
K4J or K4M

Note:
Do not damage the vacuum tube on the plenum
chamber. If it is damaged, the plenum chamber
will have to be replaced.
- Disconnect the non-return valve (3) at the plenum
chamber.
D4F

Note:
Do not damage the vacuum tube on the plenum
chamber. If it is damaged, the plenum chamber
will have to be replaced.
- Disconnect the non-return valve (4) at the inlet manifold.
F4R

Note:
Do not damage the vacuum tube on the plenum
chamber. If it is damaged, the plenum chamber
will have to be replaced.
- Disconnect the non-return valve (5) at the plenum
chamber.
- Remove the non-return valve.
REFITTING
I - REFITTING PREPARATIONS OPERATION
- Check the condition of the sealing washer and the
non-return valve.
- Replace any faulty parts.
II - REFITTING OPERATION FOR PART
CONCERNED
- Refit the non-return valve.
K9K
- Connect the non-return valve at the vacuum pump,
D4F or F4R or K4J or K4M
- Connect the non-return valve at the inlet manifold.
- Connect the non-return valve on the servo,
III - FINAL OPERATION.
K4J or K4M or K9K
RIGHT-HAND DRIVE
REMOVAL
I - REMOVAL PREPARATION OPERATION
K4J or K4M or K9K

- Remove the soundproofing retaining clips (1).
- lift away the upper section of the soundproofing.
II - OPERATION FOR REMOVAL OF PART
CONCERNED

- Disconnect the non-return valve (2) at the servo,
- Pull and turn the non-return valve to release it from
the rubber sealing washer.
K9K

- Disconnect the non-return valve (3) at the vacuum
pump,
K4J or K4M

Note:
Do not damage the vacuum tube on the plenum
chamber. If it is damaged, the plenum chamber
will have to be replaced.
- Disconnect the non-return valve (4) at the plenum
chamber.
D4F

Note:
Do not damage the vacuum tube on the plenum
chamber. If it is damaged, the plenum chamber
will have to be replaced.
- Disconnect the non-return valve (5) at the inlet manifold.
- Remove the non-return valve.
REFITTING
I - REFITTING PREPARATION OPERATION
- Check the condition of the rubber sealing washer
and the non-return valve.
- Replace any faulty parts.
II - REFITTING OPERATION FOR PART
CONCERNED
- Refit the non-return valve.
K9K
- Connect the non-return valve at the vacuum pump,
D4F or K4J or K4M
- Connect the non-return valve at the inlet manifold.
- Connect the non-return valve at the servo,
III - FINAL OPERATION
- Refit the upper section of the soundproofing.
- Refit the soundproofing retaining clips
K4J or K4M or K9K
READ NEXT:
REMOVAL
I - REMOVAL PREPARATION OPERATION
Position the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (MR 392, 02A, Lifting equipment).
Remove:
the battery (see Battery: Remova
REMOVAL
I - REMOVAL PREPARATION OPERATION
Position the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (MR 392, 02A, Lifting equipment).
Disconnect the battery (see Battery: Removal
SEE MORE:
D4F, and 740 or 742 or 764
REMOVAL
I - REMOVAL PREPARATION OPERATION
Disconnect the battery (see Battery: Removal - Refitting).
Remove the air filter unit (see 12A, Fuel mixture, Air filter unit:
Removal - Refitting, 12A-17).
Move the cooling hose away from the engine wiring
harness bracket.
Always wear your seat belt when travelling
in your vehicle. You must also
comply with the legislation of the particular
country you are in.
Make sure that the rear bench seat
is locked in position correctly so that
the rear seat belts will operate efficiently.
Refer to the inform
© 2016-2025 Copyright Renault Clio Owners Club
